MAX239CWG+ Maxim Integrated Products, MAX239CWG+ Datasheet - Page 28

• Manufacturer Part Number: MAX239CWG+
• Description: IC RS-232 DRVR/RCVR 24-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Transceiverr

Specifications of MAX239CWG+

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 5 V, 7.5 V ~ 13.2 V
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Supply Voltage (max): 5.5 V, 13.2 V
• Supply Voltage (min): 4.5 V, 7.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Data Rate: 120 Kbps
• Interface: RS-232
• Maximum Power Dissipation: 941 mW
• Minimum Operating Temperature: 0 C
• Supply Current: 0.4 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

+5V-Powered, Multichannel RS-232
Drivers/Receivers
Figure 19. MAX243 Pin Configuration and Typical Operating Circuit
28
______________________________________________________________________________________
TOP VIEW
T2OUT
R2IN
C1+
C2+
C1-
C2-
V+
V-
1
2
3
4
5
6
7
8
+
MAX243
DIP/SO
RECEIVER INPUT
≤ -3V
OPEN
≥ +3V
16
15
14
13
12
11
10
9
V
GND
T1OUT
R1IN
R1OUT
T1IN
T2IN
R2OUT
CC
R1 OUTPUT
HIGH
HIGH
LOW
R2 OUTPUT
HIGH
LOW
LOW
TTL/CMOS
TTL/CMOS
OUTPUTS
INPUTS
0.1μF
0.1μF
11
10
12
1
3
4
5
9
C1+
C1-
C2+
C2-
T1IN
T2IN
R1OUT
R2OUT
0.1μF
+5V
+5V
VOLTAGE INVERTER
VOLTAGE DOUBLER
+10V TO -10V
+5V TO +10V
400kΩ
400kΩ
+5V INPUT
GND
V
CC
15
16
5kΩ
5kΩ
T1OUT
T2OUT
0.1μF
R1IN
R2IN
V+
V-
2
6
14
7
13
8
+10V
-10V
0.1μF
RS-232
OUTPUTS
RS-232
INPUTS